Mark Johnson (born December 27, 1945 in Washington, D. C.) is a film producer who lives and works in the United States. He first became involved in show business in 1974 working as a production assistant in television commercials. Johnson collaborated on several films with Barry Levinson (whom he met on the set of High Anxiety in 1977) including Diner, The Natural, Good Morning, Vietnam, Rain Man, and Toys. Wikipedia
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